X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FTargetSchedule.td;h=38461c5a380ed79c8a356af6319714e603499c02;hb=963a97f1a365c8d09ca681e922371f9ec3473ee8;hp=89c00cdc702f874cb8b21a624bb0465990a954fe;hpb=0de8796e68d49d57f4135aa40a1c72b03aa8ecca;p=oota-llvm.git

diff --git a/lib/Target/TargetSchedule.td b/lib/Target/TargetSchedule.td
index 89c00cdc702..38461c5a380 100644
--- a/lib/Target/TargetSchedule.td
+++ b/lib/Target/TargetSchedule.td
@@ -2,8 +2,8 @@
 // 
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by James M. Laskey and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 // 
 //===----------------------------------------------------------------------===//
 //
@@ -28,8 +28,8 @@ class FuncUnit;
 // need to complete the stage.  Units represent the choice of functional units
 // that can be used to complete the stage.  Eg. IntUnit1, IntUnit2.
 //
-class InstrStage<int latency, list<FuncUnit> units> {
-  int Latency          = latency;     // length of stage in machine cycles
+class InstrStage<int cycles, list<FuncUnit> units> {
+  int Cycles          = cycles;       // length of stage in machine cycles
   list<FuncUnit> Units = units;       // choice of functional units
 }
 
@@ -47,6 +47,7 @@ class InstrStage<int latency, list<FuncUnit> units> {
 // instruction information.
 //
 class InstrItinClass;
+def NoItinerary : InstrItinClass;
 
 //===----------------------------------------------------------------------===//
 // Instruction itinerary data - These values provide a runtime map of an 
@@ -64,3 +65,8 @@ class InstrItinData<InstrItinClass Class, list<InstrStage> stages> {
 class ProcessorItineraries<list<InstrItinData> iid> {
   list<InstrItinData> IID = iid;
 }
+
+// NoItineraries - A marker that can be used by processors without schedule
+// info.
+def NoItineraries : ProcessorItineraries<[]>;
+